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30 Spline

  •       GM 8.5" Powergrip 30 Spline Posi LSD
    $360.00 GM 8.5" Powergrip 30 Spline Posi LSD
    New Clutch type posi differential provides aggressive yet smooth traction, perfect for street and performance applications. These units are fully rebuildable and use Eaton type internal components. We recommend using...

  •  GM 8.5" Detroit Truetrac Posi 30 Spline 913A481
    $562.65 GM 8.5" Detroit Truetrac Posi 30 Spline 913A481
    The Detroit Truetrac is a helical-gear style performance differential that maximizes wheel traction and enhances driving and handling characteristics. Operation The Truetrac operates as a standard or open differential...

  • 1990-1998 GM 8.5" Yukon Duragrip 30 Spline Posi Master Install Pkg
    $555.09 1990-1998 GM 8.5" Yukon Duragrip 30 Spline Posi Master Install Pkg
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip...

  • 1999-2008 GM 8.6" Yukon Duragrip Posi Master Install Pkg
    $555.09 1999-2008 GM 8.6" Yukon Duragrip Posi Master Install Pkg
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip...

  • 2009-2013 GM 8.6" Yukon Duragrip Posi Master Install Pkg
    $555.09 2009-2013 GM 8.6" Yukon Duragrip Posi Master Install Pkg
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip...

  • GM 8.5" Eaton Posi LSD 30 Spline 19559-10
    $508.67 GM 8.5" Eaton Posi LSD 30 Spline 19559-10
    The Eaton Posi limited-slip differential prevents wheel slip before it can get started. To do that, carbon disc clutch packs, preloaded by a central spring assembly, are located behind each differential side gear. When...